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Black Holes
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Astronomers identify likely location of medium-sized black holes
Intermediate-mass black holes are notoriously hard to find but a new study indicates there may be some at the center of dense, star clusters …
Hubble sheds light on origins of supermassive black holes
Astronomers have identified a rapidly growing black hole in the early universe that is considered a crucial "missing link" between young star-forming galaxies and …
Hunting for gravitational waves from monster black holes
Our universe is a chaotic sea of ripples in space-time called gravitational waves. Astronomers think waves from orbiting pairs of supermassive black holes in …
Astrophysical plasma study benefits from new soft X-ray transition energies benchmark
The analysis of astrophysical plasmas is vital in the quest to learn about some of the Universe's most powerful and mysterious objects and events …
Quantum information theory: Quantum complexity grows linearly for an exponentially long time
Physicists know about the huge chasm between quantum physics and the theory of gravity. However, in recent decades, theoretical physics has provided some plausible …
Gravitational wave mirror experiments can evolve into quantum entities
Scientists review research on gravitational wave detectors as a historical example of quantum technologies and examine the fundamental research on the connection between quantum …
Scientists announce discovery of supermassive binary black holes
Researchers have discovered a supermassive black hole binary system, one of only two known such systems.
NASA's NICER telescope sees hot spots merge on a magnetar
For the first time, NASA's Neutron star Interior Composition Explorer (NICER) has observed the merging of multimillion-degree X-ray spots on the surface of a …
Event horizons are tunable factories of quantum entanglement
Physicists have leveraged quantum information theory techniques to reveal a mechanism for amplifying, or 'stimulating,' the production of entanglement in the Hawking effect in …
'Closest black hole' system found to contain no black hole
In 2020, astronomers reported the closest black hole to Earth, located just 1000 light-years away in the HR 6819 system. But the results of …
Death spiral: A black hole spins on its side
Researchers found that the axis of rotation of a black hole in a binary system is tilted more than 40 degrees relative to the …